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Old 09-19-2021, 06:52 AM   #4
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Join Date: Oct 2020
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Quote:
Originally Posted by 78F350 View Post
A few tidbits:
01 S uses DME 7.2.
As STL said, 03 and 04 986s use DME 7.8.
DME 7.8 and 7.2 harnesses are close, but not the same.
The fuel map/tuning of a 996 will not be correct for a 986.
DME 7.8 runs a later (different) variocam. The engine will need the correct DME to function, but a DME 7.8 can be adapted to a DME 7.2 based chassis. *ABS, cluster, and cruise control may need extra attention for full function.

I have an '04 2.7L engine that I may stick in an '01 this winter to figure out the details
Beater, what exactly are you trying to do? Swap an 03/04 motor into your 01?


Jon, do you have a piwis? When I did my 996 flash, I was able to push just the fuel maps over instead or rewriting my whole dme. For your project (and the OP's project, if that is what he is doing), that's where I would start since none of the systems in your car are canbus (7.8 is written for a canbus setup)

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